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Effects of Past Global Change on Life (1995) / Chapter Skim
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Pages 235-235

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From page 235...
... Several observations indicate that a general retardation of development produced the delay in the Phase I-Phase II transition that yielded the large brain of modern humans. Overall retardation is evident in the physical helplessness
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Key Terms

  • modern humans
  • body size
  • gracile australopithecines
  • brain growth
  • environmental changes

  • postnatal interval
  • gracile australopithecine


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